(S)-N-Methyl-4-methylsulfanyl-2-(3-phenyl-thioureido)-butyramide
(2R,5S)-1-benzoyl-2-(tert-butyl)-3-methyl-5-(3'-thiabutyl)imidazolidin-4-one
(2S,5S)-1-benzoyl-2-(tert-butyl)-3-methyl-5-(3'-thiabutyl)imidazolidin-4-one
Gln-Gln-Phe-Phe-Gly-Leu-Met-NHCH3
Boc-Gln-Gln-Phe-Phe-Gly-Leu-Met-NHCH3